Clarion's NZ500 is a premium audio/video navigation unit with built-in GPS navigation, built-in Bluetooth for hands-free control, and audio streaming and USB iPod and iPhone compatibility. iPod video playback is also available using an optional cable (CCA748). The unit is also Sirius Satellite Radio and HD Radio Ready (including the iTunes tagging feature) with additional hardware. With built-in GPS navigation, the flash memory allows for quick response and access to navigation maps and multimedia options. ..